Patent holdings for IPC class E21C 47/06

Total number of patents in this class: 3

10-year publication summary

0
0
0
0
0
0
0
0
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2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
IHC Holland IE B.V.
261
2
Buhler AG
521
1
Other owners 0